<html>
  <head>
    <link rel=match href=basic_width_em.html>
    <style>
      html {
        font-size: 20px;
      }
      p {
        width: 200px;
        border: solid 1px black;
      }
    </style>
  </head>
  <body>
    <p>hello, wide world</p>
  </body>
</html>
